MB
Mary Buck — 1930 US Census Record
Linked across censuses1930 United States Federal Census · King, Washington
Our Model Tree links this Mary Buck across the 1920 and 1930 US Censuses in King, Washington (XGBoost, ~Confirmed) — first a daughter (b.~1911), then head of a 10-person household.
Age 19
b. ~1911
Female
Daughter
Born: Washington
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | King, Washington |
| Surname | Buck |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Connecticut |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Wholesale Clothing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Stenographer |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1911 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Eva Buck | Other | — | 46 | ~1884 |
| James Buck | Son | — | 14 | ~1916 |
| Louise Buck | Daughter | — | 17 | ~1913 |
| Anthony Buck | Head | — | 48 | ~1882 |
| Earl Buck | Son | — | 9 | ~1921 |
| Margaret Buck | Daughter | — | 10 | ~1920 |
| Frank Buck | Son | — | 21 | ~1909 |
| Dorothy Buck | Daughter | — | 12 | ~1918 |
| Joseph Buck | Son | — | 4 | ~1926 |
| Mary Buck | Daughter | — | 19 | ~1911 |
Census Appearances
1920
King, Washington
Daughter, age 9
King, Washington · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Buck |
| Given Name | Mary L |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Connecticut |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Daughter, age 19
King, Washington · implied b. ~1911 — 10 household members
| Surname | Buck |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Connecticut |
| Occupation | Stenographer |
| Industry | Wholesale Clothing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Buck across 2 US Census years (1920 and 1930) in King, Washington, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Buck
Daughter · 1930 · age 19 · b. ~1911 · Washington
★ You are viewing this record
Sibling
Louise Buck
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Buck
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Buck
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Buck
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Buck
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Buck
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Buck
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — King, Washington
Open full size
1930 US Federal Census — King, Washington
Page Contents
47 people indexed on this census page (ia:1930:15thcensus2500unit:0912)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Young | 9 | Son | None | Washington |
| 52 | Toni Mardelli | 48 | Head | Laborer | Italy |
| 53 | Teresa Mardelli | 43 | Wife-H | None | Italy |
| 54 | Mike Mardelli | 23 | Son | Salesman | Italy |
| 55 | Olga Mardelli | 15 | Daughter | None | Washington |
| 56 | Julio Argentine | 41 | Boarder | Contractor | Italy |
| 57 | Pasquale Falconi | 46 | Head | Laborer | Italy |
| 58 | Josephine Falconi | 42 | Wife-H | None | Italy |
| 59 | Tony Falconi | 11 | Son | None | Washington |
| 60 | Mary Falconi | 9 | Daughter | None | Washington |
| 61 | Mike Maiorano | 43 | Head | Shoemaker | Italy |
| 62 | Michelina Maiorano | 43 | Wife-H | None | Italy |
| 63 | Pasquale Maiorano | 21 | Son | None | Italy |
| 64 | Rose Maiorano | 16 | Daughter | None | Washington |
| 65 | Henry Maiorano | 14 | Son | None | Washington |
| 66 | Damon Maiorano | 11 | Son | None | Washington |
| 67 | Lewis Marinacci | 47 | Head | Laborer | Austria |
| 68 | Mary Marinacci | 38 | Wife-H | None | Austria |
| 69 | Henry Marinacci | 16 | Son | None | Washington |
| 70 | Anthony J. Buck | 48 | Head | Sheet Metal Worker | Iowa |
| 71 | Eva M. Buck | 46 | Wife-H | None | Connecticut |
| 72 | Frank J. Buck | 21 | Son | Sheet Metal Worker | Washington |
| 73 | Mary L. Buck THIS PERSON | 19 | Daughter | Stenographer | Washington |
| 74 | Louise D. Buck | 17 | Daughter | None | Washington |
| 75 | James J. Buck | 14 | Son | None | Washington |
| 76 | Dorothy Buck | 12 | Daughter | None | Washington |
| 77 | Margaret Buck | 10 | Daughter | None | Washington |
| 78 | Earl Buck | 9 | Son | None | Washington |
| 79 | Joseph A. Buck | 4 | Son | None | Washington |
| 80 | Jesse Nichols | 47 | Head | Pullman Porter | Missouri |
| 81 | Annabell Nichols | 37 | Wife-H | None | Louisiana |
| 82 | Otto Schultz | 45 | Roomer | Truck Driver | Wisconsin |
| 83 | Anton Hill | 34 | Head | Tailor | Finland |
| 84 | Wilda Hill | 37 | Wife-H | Seamstress | Finland |
| 85 | Arvo Hill | 10 | Son | None | Minnesota |
| 86 | Esther Hill | 9 | Daughter | None | Minnesota |
| 87 | Anne Sorell | 66 | Mother-in-law | None | Finland |
| 88 | Giacomo Traverso | 63 | Head | Cook | Italy |
| 89 | Maria Traverso | 52 | Wife-H | None | Italy |
| 90 | Jennie Traverso | 14 | Daughter | None | Washington |
| 91 | Charles Thuberg | 44 | Head | Book Binder | Michigan |
| 92 | Hilda T. Thuberg | 37 | Wife-H | None | Wisconsin |
| 93 | Marguerite Thuberg | 10 | Daughter | None | Washington |
| 94 | Ella Ramph | 33 | Head | Trimmer | Washington |
| 95 | Julia Bella | 43 | Boarder | Book Keeper | Oregon |
| 96 | George Shinique | 40 | Head | Chauffeur | Japan |
| 97 | Tatsuko Shinique | 39 | Wife-H | None | Japan |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)